Analysis Summary
Notes:
- 1) No attempt has been made to eliminate the non-significant decimal places.
- 2) This batgrbproduct analysis is done using the HEASARC data.
- 3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.
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BAT GRB EVENT DATA PROCESSING REPORT
Process Script Ver: batgrbproduct v2.46
Process Start Time: Tue Jul 16 16:23:32 EDT 2019
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/trigger911609
======================================================================
Trigger: 00911609 Segment: 000
BAT Trigger Time: 583327134.272 [s; MET]
Trigger Stop: 583327136.32 [s; MET]
UTC: 2019-06-27T11:18:31.127400 [includes UTCF correction]
Where From?: TDRSS position message
BAT
RA: 244.830211321885 Dec: -5.29214903648591 [deg; J2000]
Catalogged Source?: NO
Point Source?: YES
GRB Indicated?: YES [ by BAT flight software ]
Image S/N Ratio: 7.64
Image Trigger?: NO
Rate S/N Ratio: 12.2882057274445 [ if not an image trigger ]
Image S/N Ratio: 7.64
Analysis Position: [ source = BAT ]
RA: 244.830211321885 Dec: -5.29214903648591 [deg; J2000]
Refined Position: [ source = BAT pre-slew burst ]
RA: 244.873190194457 Dec: -5.29381624561048 [deg; J2000]
{ 16h 19m 29.6s , -05d 17' 37.7" }
+/- 2.77030549169938 [arcmin] (estimated 90% radius based on SNR)
+/- 1.25698186184182 [arcmin] (formal 1-sigma fit error)
SNR: 7.0947321553584
Angular difference between the analysis and refined position is 2.569684 arcmin
Partial Coding Fraction: 0.734375 [ including projection effects ]
Duration
T90: 2.69200003147125 +/- 0.88095405095938
Measured from: 0.120000004768372
to: 2.81200003623962 [s; relative to TRIGTIME]
T50: 1.19999992847443 +/- 1.13680256797063
Measured from: 0.532000064849854
to: 1.73199999332428 [s; relative to TRIGTIME]
Fluence
Peak Flux (peak 1 second)
Measured from: 0.759999990463257
to: 1.75999999046326 [s; relative to TRIGTIME]
Total Fluence
Measured from: -0.0119999647140503
to: 2.94400000572205 [s; relative to TRIGTIME]
Band 1 Band 2 Band 3 Band 4
15-25 25-50 50-100 100-350 keV
Total 0.125539 0.097615 0.036855 -0.027564
0.018691 0.016994 0.013926 0.011410 [error]
Peak 0.052175 0.049128 0.016967 -0.012870
0.011184 0.009988 0.008526 0.006494 [error]
[ fluence units of on-axis counts / fully illuminated detector ]
======================================================================
====== Table of the duration information =============================
Value tstart tstop
T100 2.956 -0.012 2.944
T90 2.692 0.120 2.812
T50 1.200 0.532 1.732
Peak 1.000 0.760 1.760
====== Spectral Analysis Summary =====================================
Model : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index : photon index: E^{Ph_index}
Ph_90err : 90% error of the photon index
Epeak : Epeak in keV
Epeak_90err: 90% error of Epeak
Norm : normalization at 50 keV in both the PL model and CPL model
Nomr_90err : 90% error of the normalization
chi2 : Chi-Squared
dof : degree of freedo
=== Time-averaged spectral analysis ===
(Best model with acceptable fit: PL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -2.575 -0.438 0.373 - - - 3.90e-03 -1.24e-03 1.24e-03 55.980 57
CPL -1.476 -0.528 2.200 16.471 N/A N/A 2.01e-02 N/A N/A 54.480 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: PL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -2.412 -0.522 0.430 - - - 6.02e-03 -2.16e-03 2.11e-03 44.470 57
CPL -0.662 -1.902 3.350 28.074 N/A N/A 7.39e-02 N/A N/A 42.770 56
=== Fluence/Peak Flux Summary ===
Model Band1 Band2 Band3 Band4 Band5 Total
15-25 25-50 50-100 100-350 15-150 15-350 keV
Fluence PL 4.09e-08 3.94e-08 2.64e-08 2.77e-08 1.18e-07 1.34e-07 erg/cm2
90%_error_low -8.99e-09 -8.73e-09 -1.05e-08 -1.63e-08 -2.67e-08 -3.58e-08 erg/cm2
90%_error_hi 9.11e-09 8.45e-09 1.20e-08 2.80e-08 2.82e-08 4.40e-08 erg/cm2
Peak flux PL 6.00e-01 3.54e-01 1.33e-01 6.64e-02 1.12e+00 1.15e+00 ph/cm2/s
90%_error_low -1.71e-01 -8.86e-02 -5.83e-02 -4.18e-02 -2.59e-01 -2.68e-01 ph/cm2/s
90%_error_hi 1.79e-01 8.67e-02 6.41e-02 7.07e-02 2.59e-01 2.68e-01 ph/cm2/s
Fluence CPL N/A N/A N/A N/A N/A N/A erg/cm2
90%_error_low -8.99e-09 -8.73e-09 -1.05e-08 -1.63e-08 -2.67e-08 -3.58e-08 erg/cm2
90%_error_hi 9.11e-09 8.45e-09 1.20e-08 2.80e-08 2.82e-08 4.40e-08 erg/cm2
Peak flux CPL 5.98e-01 3.75e-01 1.28e-01 6.93e-02 1.12e+00 1.14e+00 ph/cm2/s
90%_error_low -1.72e-01 -1.84e-01 -6.80e-02 N/A -2.62e-01 -2.57e-01 ph/cm2/s
90%_error_hi 1.68e-01 8.72e-02 1.01e-01 N/A 2.57e-01 2.84e-01 ph/cm2/s
======================================================================
Special notes of this burst